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Finding the Fourth Proportional to 203,452.40, 305,175.36 and 63,211.16

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Solution

The fourth proportional to 203,452.40, 305,175.36 and 63,211.16 is: 94,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,452.40 : 305,175.36 = 63,211.16 : x
  2. Step 2: Convert to fraction form
    203,452.40/305,175.36 = 63,211.16/x
  3. Step 3: Cross multiply
    203,452.40x = 305,175.36 × 63,211.16
  4. Step 4: Simplify right side
    203,452.40x = 19,290,488,509.02
  5. Step 5: Solve for x
    x = 19,290,488,509.02/203,452.40
  6. Step 6: Final answer
    x = 94,815.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.